Gioi thi~u:
Bai nhrtm cung cfip cho h9c sinh nhung kiSn thCrc vS bao tri h~ th6ng truySn dful khi nen trong nghS Bao tri h~ th6ng thiSt bi ca khi dful khi nen trong nghS Bao tri h~ th6ng thiSt bi ca khi
Ml}.c tieu:
- Bao tri, bao duong va kh~c phvc dugc nhung si;r c6 cua h~ th6ng truySn d~n khi nen. khi nen.
NQi dung chinh:
1. Ki~m tra ho~t dQng cua h~ thBng khi nen
M9t s6 hong hoc thm:mg g~p cua may nen khi:
/Hu hong thuong g~p /Ki~m tra IGhi chu
, - - - -
- Cftu chi bi dm -M§.tpha
- Sv c6 relay bao v~ - Sv c6 relay bao v~ pha May nen khi khong khm. d9ng - Relay khm. d9ng hong
- Di~n thS th§.p - Sv c6 Motor - Sv c6 dftu may nen
I- Sv c6 m1;1ch diSu khiSn.
, - - - · · - -
- Di~n thS th§.p
- Ap Ive khi nen qua cao - D§.u boi tron khong phu hqp 1Dong cao may tv d(mg dung 1-B9 ta.ch d§.u ngh1tt, ap dftu tang
- Sv c6 d§.u t11.1c vit - B9 giai nhi~t tiic - Sv c6 Motor.
- Lugng khi sir d\lllg qua nhiSu
Dong di~n tai th§.p hon binh thuong - L9c khi tile - Sv c6 van hut - Van diSu ap sai.
Nhi~t d9 khi nen th§.p hon binh - Nhi~t d9 moi tmong th§.p - Thai gian khong tai qua dai thuong
- D6ng h6 do nhi~t hong.
i
- Nhi~t d() moi truO'llg cao - Tic b() giai nhi~t
- Nh&t khong dung chung lo~i - B() giai nhi~t da
- Tic l9c nh&t
- Sv c6 qu~t lam mat
- Sv c6 nu6c giai nhi~t
- Sv c6 relay nhi~t.
~ · · - - · · · - · ~ · - · · - - · · - · · - · - - · - · - - - ~ - - ~ - - - ~ - - - - -
- Muc d§.u qua cao
I ' '
!Luqng dau trong khi qua nhieu
I
May ch~y khong hSt tai
May khong thS ch~y khong tai, ap
1lu6n cao
- Ong h6i dfiu tic - Ap Ive khi nen th§.p - Hong b() ta.ch nh&t - Van duy tri ap Ive hong. - Cong tic ap suftt hu - Hong van di~n tu - Hong van hut
- Van diSu ap chinh khong dung.
I-Hong cong tic ap su§.t
I
- Hong van hut - Hong van di~n ti:r. -Tic l9c gi6 - Vanhuthu Luqng khi ra th§.p han binh thuO'llg - Hong b() ta.ch dfiu
- Hong van di~n ti:r - Van diSu ap sai.
I -Hu van hut
I
I '
;Dau phun ra l9c khi - Vong ph&t van hut hu - Piston van hut khong kin v6i lmi~ng hut.
2. Bao tri, bao dtr5'ng, kh~c ph\Jc S\f c6 he th6ng khi nen, v~n hanh, can chinh he
Cac ho~t d<)ng trong cong tac bao tri- bao duong va V?n hanh h? th6ng diSu khiSn khi nen:
- Theo doi, kiSm tra, thay thS dinh ky cac phfin tu va thiSt bi khi nen
- Ap d1.1ng phuong phap bao tri dv phong dS dam bao h? th6ng lam vi?c lien tvc - V?n hanh dung quy trinh ky thu?t, dung thong s6
-Ap d1.1ng cac giai phap va tieu chuin quan ly chftt luqng nhu: ISO, 5S, Kaizen, ... trong cong tac bao tri - bao duong h? th6ng khi nen
3. Cau hoi ki~m tra
- Li?t ke nhung luu y va nhung ho~t d<)ng bao tri, bao duong h? th6ng diSu khi6n khi nen trong qua trinh V?n hanh san xu~t?
TAI LIEU THAM KHAO .
[ 1]. Le Tiin Dung - Di§u khidn thuy l11c va khi nen - DH Cong N gh¢ TpHCM,
2004
[2]. Website v§ baa tri hi th6ng ai§u khidn khi nen [3]. Tai li¢u do truimg bien soq,n.